import changes from gcc-in-cxx branch

[Dave Korn]

Brad Hards wrote:
> On Friday 15 May 2009 10:08:14 pm Jan Hubicka wrote:
>>>  /* Description of IPA pass with generate summary, write, execute, read
>>> and transform stages.  */
>>> -struct ipa_opt_pass
>>> +struct ipa_opt_pass_d
>> Hmm, why ipa_opt_pass needs renaming and other types of pass
>> (gimple/rtl) doesn't?
> There are other parts that may need renaming - I only extracted the parts of 
> gcc-in-cxx that I hit.
> 
> In this case, the problem is this code, in gcc/function.h:
> struct ipa_opt_pass;
> typedef struct ipa_opt_pass *ipa_opt_pass;
> 
> Brad

  Out of curiosity, does the 'd' in '_d' stand for anything?

    cheers,
      DaveK